Home / 104,940.69-144,817.25-57,194.03

Finding the Fourth Proportional to 104,940.69, 144,817.25 and 57,194.03

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Solution

The fourth proportional to 104,940.69, 144,817.25 and 57,194.03 is: 78,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.69 : 144,817.25 = 57,194.03 : x
  2. Step 2: Convert to fraction form
    104,940.69/144,817.25 = 57,194.03/x
  3. Step 3: Cross multiply
    104,940.69x = 144,817.25 × 57,194.03
  4. Step 4: Simplify right side
    104,940.69x = 8,282,681,130.96
  5. Step 5: Solve for x
    x = 8,282,681,130.96/104,940.69
  6. Step 6: Final answer
    x = 78,927.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.